Lesser known stock market APIs for 2024 for data science and quant trading

Alpha Vantage

Alpha Vantage is a popular provider among data-driven investors & traders due to its vast accessibility. They’re known for their clear documentation, affordable pricing, and generous free tier. A great option for investors looking to gain an edge!

Coverage: Stocks, Fundamentals, Technicals, Forex, Crypto, Commodities, Financial News, Economic Data, Corporate Events, and more. 20+ years of historical data.

API DOCS: https://www.alphavantage.co/documentation/
PRICING: 25 requests per day for free

Barchart OnDemand

Barchart OnDemand is another accessible financial data platform offering customizable plans that allow customers to pick & choose which data feeds they want to pay for. They cover a broad range of endpoints from equity pricing data to futures & options.

Coverage: Stocks, ETFs, Fundamentals, Options, Futures, Forex, Crypto, Commodities, Financial News, Corporate Events, and more. 15 years of historical data.

API DOCS: https://www.barchart.com/ondemand/api

Tradier

Tradier combines market data with a brokerage account to allow users to build & test trading strategies, and also execute those trades with just one integration. (Alpaca is another similar platform.)

Coverage: Stocks, Fundamentals, Options (including greeks), and more.

API DOCS: https://documentation.tradier.com/
PRICING: https://tradier.com/individuals/pricing

Intrinio

Intrinio offers a unique pay-per-service model, allowing you to choose the specific data packages you need. A good option for sophisticated investors and app developers looking for a focused and deliberate approach to data services.

Coverage: Stocks, ETFs, Fundamentals, Technicals, Options, Financial News, Economic Data, Corporate Events, and more. 50 years of historical data.

API DOCS: https://docs.intrinio.com/documentation/api_v2/getting_started
PRICING: https://intrinio.com/pricing

Xignite

Xignite is one of the most expensive, yet powerful APIs available in the industry. They source institution-grade data from over 6,000 exchanges globally and power many high-profile fintech and wealth management companies such as SoFi & Betterment.

Coverage: Stocks, ETFs, Fundamentals, Options, Futures, Forex, Crypto, Commodities, Swaps, Mutual Funds, Fixed Income, Corporate Events, and more.

API DOCS: https://www.xignite.com/financial-data-apis
PRICING: https://www.xignite.com/pricing

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